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Pepino, Ron A.; Mabile, Risley W. – Physics Teacher, 2023
It has long been suspected by general relativists that physicists who do not specialize in general relativity (GR) believe that special relativity (SR) is incapable of modeling dynamics within accelerated reference frames. Consequently, many physicists may conclude that certain phenomena, such as time dilation due to acceleration, can only be…
Descriptors: Misconceptions, Physics, Scientific Principles, Scientific Concepts
Valeria Edelsztein; Claudio Cormick – Science & Education, 2025
In this article, we tackle the phenomenon of what seems to be a misunderstanding between science education theory and philosophy of science--one which does not seem to have received any attention in the literature. While there seems to be a consensus within the realm of science education on limiting or altogether denying the explanatory role of…
Descriptors: Scientific Principles, Scientific Concepts, Science Education, Epistemology
Le Noxaïc, Armand; Fadel, Kamil – Physics Teacher, 2022
The statics of fluids may seem simple at first but often poses problems for students when it comes to applying it to concrete cases. Despite its relatively simple laws, some subtleties, mainly related to the elastic characteristics of a fluid, must be noted. This elasticity allows the pressure exerted in a part of the fluid to propagate in its…
Descriptors: Mechanics (Physics), Scientific Concepts, Scientific Principles, Water
Neat, Adam – Physics Teacher, 2022
Gravity bends light. One can argue this by reasoning that a beam of light should travel in a curved path when viewed from within an accelerating frame of reference, and then invoking Einstein's principle of equivalence, which asserts that the effects observed in an accelerating frame of reference are indistinguishable from the effects observed in…
Descriptors: Physics, Scientific Concepts, Light, Scientific Principles
Irzik, Gürol; Nola, Robert – Science & Education, 2023
The family resemblance approach to nature of science is receiving increasing attention by science educators since its inception about a decade ago. Many scholars of science education have contributed and continue to contribute to it not only theoretically but also by applying it empirically to a wide range of areas such as curriculum and textbook…
Descriptors: Scientific Principles, Science Education, Scientific Concepts, Observation
Bingxing Wang; Qi Wang; Yanwei Zhang; Yongcai Zhang; Yuanchao Li; Donglin Zhao – Journal of Chemical Education, 2023
Interfacial, or surface tension, is a significant topic in chemical education. This paper describes the directional motion of gallium-based liquid metal drops, resulting from a difference of interfacial tension across the drop. This demonstration can engage students in discovering the underlying chemical principles. A mechanism for the drop's…
Descriptors: Chemistry, Science Education, Demonstrations (Educational), Science Instruction
César Zúñiga-Loyola; Maria-Soledad Ureta-Zanartu; Federico Tasca – Journal of Chemical Education, 2024
Energy conversion devices such as fuel cells, metal-air batteries, and electrolyzers have been envisaged as possible solutions for cutting down the continuous accumulation of greenhouse gases resulting from the combustion of fossil fuel. The bottleneck reaction for these devices is the oxygen reduction reaction (ORR) occurring at the cathode. The…
Descriptors: Science Instruction, Teaching Methods, Chemistry, Thermodynamics
Glen Bull; Jo Watts; Rachel Gibson; Ryan Novitski; Debra Shapiro; Elaine Wolfe – Contemporary Issues in Technology and Teacher Education (CITE Journal), 2024
A series of models in the Educational CAD Model Library can be used to reconstruct mechanical animation machines such as the Praxinoscope and related animation mechanisms. Hands-on experiences can be used to enhance understanding of historical invention processes and related science concepts. Foundational concepts of visual perception are…
Descriptors: Animation, Computer Assisted Design, Hands on Science, Scientific Concepts
Fontes, Daniel T. M.; Rodrigues, André Machado – Physics Teacher, 2021
Electromagnetism is a complex topic for students at different educational levels. Perhaps one of the reasons for this is that students are unable to visualize the forces, fields, currents, and other electromagnetism key concepts that are related to the topic. Most teachers address this difficulty by including the use of some technological…
Descriptors: Scientific Principles, Magnets, Science Experiments, Scientific Concepts
Frodyma, Marc – Physics Teacher, 2022
Teaching special relativity to lower-division students is challenging because results such as time dilation, length contraction, and frame dependence of simultaneity are counterintuitive. The literature is extensive, so only a brief list is given here, with articles divided roughly between discussions of general principles and calculations applied…
Descriptors: Scientific Principles, Science Instruction, Physics, Scientific Concepts
Herman, Thaddeus – Physics Teacher, 2022
Even though many physics teachers take their students on a calculation adventure through circular motion and Newton's universal law of gravity to determine Earth's velocity, most of us leave it at that. We present the final result and say, "Look, Earth is moving around the Sun at about 107,000 km/hr (66,000 mph), yet we can't feel the motion…
Descriptors: Astronomy, Space Sciences, Scientific Concepts, Physics
Mungan, Carl E. – Physics Teacher, 2021
Ampère's law is presented in introductory physics as a relation between the line integral of the magnetic field around a closed loop and the net current crossing any open surface spanning that loop. By allowing the surface to pass between the plates of a charging parallel-plate capacitor, Maxwell realized that this law is incomplete and introduced…
Descriptors: Scientific Principles, Introductory Courses, Physics, Magnets
Rosemary Hipkins – set: Research Information for Teachers, 2024
There is often a steady trajectory of curriculum change under the surface of developments that might seem arbitrary or inconsistent. This article traces the change from key competencies to science capabilities and, most recently, to enduring competencies. All these changes (and names) respond to increasing awareness of the challenges involved in…
Descriptors: Minimum Competencies, Competency Based Education, Foreign Countries, Science Education
Denny, Mark – Physics Teacher, 2022
Bridges are a popular topic in this journal, because they are a very visual display of static and dynamic physical principles. In this paper, we provide an intuitive derivation of the equations associated with suspension bridge cables and load-bearing arches, which is of pedagogical interest in illustrating the consequences of Newton's laws for…
Descriptors: Construction Materials, Construction (Process), Scientific Concepts, Scientific Principles
Marchewka, Avi – Physics Education, 2021
In order to describe the velocity of two bodies after they collide, Newton developed a phenomenological equation known as 'Newton's experimental law' (NEL). In this way, he was able to practically bypass the complication involving the details of the force that occurs during the collision of the two bodies. Today, we use NEL together with momentum…
Descriptors: Physics, Scientific Principles, Scientific Concepts, Energy